Lumen (anatomy)

From Wikipedia, the free encyclopedia
Jump to: navigation, search
For other uses, see Lumen (disambiguation).
Cross section of the gut. The lumen is the space in the middle.

In biology, a lumen (Lat. lūmen, an opening or light) (pl. lumina) is the inside space of a tubular structure, such as an artery or intestine.[1] By extension, the term lumen is also used to describe the inside space of a cellular component or structure, such as the endoplasmic reticulum.

Examples of lumina[edit]

Transluminal procedures[edit]

Transluminal procedures are procedures occurring through lumina, including:

See also[edit]

References[edit]

  1. ^ Stedman's Medical Dictionary, 24th ed.
  2. ^ Adds, John; Erica Larkcom; Ruth Miller. Exchange and transport, energy and ecosystems. Nelson Advanced science (Nelson Thornes web site). p. 16. ISBN 0-7487-7487-4.